(a) A pharmacist shall report in writing to the board within 10 days of a change of employment and be responsible for seeing that his or her name is removed from the pharmacy license of last employment and added to the pharmacy license of new employment.(b) For the purposes of this section, the term "employment" means the pharmacy at which the pharmacist engages in work on a regular and routine basis, whether remunerative or not, including the practice of pharmacy, administrative or managerial duties, supervisory tasks, or direct or indirect contractual services for pay. The term does not include an isolated case of practicing pharmacy on a temporary basis in order to relieve another pharmacist, unless such isolated cases become regular and routine.